200043410321 has 2 divisors, whose sum is σ = 200043410322. Its totient is φ = 200043410320.

The previous prime is 200043410269. The next prime is 200043410323. The reversal of 200043410321 is 123014340002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177210689296 + 22832721025 = 420964^2 + 151105^2 .

It is a cyclic number.

It is not a de Polignac number, because 200043410321 - 2⁶ = 200043410257 is a prime.

It is a Sophie Germain prime.

Together with 200043410323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200043410293 and 200043410302.

It is not a weakly prime, because it can be changed into another prime (200043410323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100021705160 + 100021705161.

It is an arithmetic number, because the mean of its divisors is an integer number (100021705161).

Almost surely, 2^200043410321 is an apocalyptic number.

It is an amenable number.

200043410321 is a deficient number, since it is larger than the sum of its proper divisors (1).

200043410321 is an equidigital number, since it uses as much as digits as its factorization.

200043410321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200043410321 its reverse (123014340002), we get a palindrome (323057750323).

The spelling of 200043410321 in words is "two hundred billion, forty-three million, four hundred ten thousand, three hundred twenty-one".